EC200T- VDD_EXT voltage issue

IoT Modules LTE Standard Module
#1

Dear Quectel,

We are using EC200T Module in Our design, It is not communicating with UART , STATUS pin is LOW, VDD_EXT is 1.79V. Attached image is interface with MCU as well as Hardware design of EC200T

Please Help

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image873×591 93.7 KB

image

Regards
Khodidas Domadiya
Sr. Embedded Firmware Engineer
Optimized Solutions Ltd
Ahmedabad, India

#2

Resolved Found issue with Transistor Circuit

#3

Hi
Thank you very much for your feedback.
Best wishes